Power adapter



FIG. 1 is a perspective view of a power adapter;

FIG. 2 is another perspective view thereof,

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational view thereof;

FIG. 6 is a right elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings are for the purpose of illustrating portions of the power adapter that form no part of the claimed design. 

CLAIM The ornamental design for a power adapter, as shown and described. 